Tue, 30 Apr 2013 17:22:51 +0200 blanchet further enrich data structure
Tue, 30 Apr 2013 16:50:09 +0200 blanchet more
Tue, 30 Apr 2013 16:42:23 +0200 blanchet rationalized terminology (iterator = fold or rec, xxfoo = (co)foo or (un)foo)
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